soundCloudMunchkin.js

var soundCloudMunchkin = {
	init: function(widget){
		//save a reference to the widget
		soundCloudMunchkin.widget = widget;
		
		//Bind each relevant event to the corresponding method
		widget.bind(SC.Widget.Events.PLAY, function(){
			soundCloudMunchkin.trackPlay();
		});
		widget.bind(SC.Widget.Events.PAUSE, function(){
			soundCloudMunchkin.trackPause();
		});
		widget.bind(SC.Widget.Events.FINISH, function(){
			soundCloudMunchkin.trackFinish();
		});
		widget.bind(SC.Widget.Events.SEEK, function(){
			soundCloudMunchkin.trackSeek();
		});
		widget.bind(SC.Widget.Events.CLICK_DOWNLOAD, function(){
			soundCloudMunchkin.trackDownload();
		});
		widget.bind(SC.Widget.Events.CLICK_BUY, function(){
			soundCloudMunchkin.trackBuy();
		});
		widget.bind(SC.Widget.Events.OPEN_SHARE_PANEL, function(){
			soundCloudMunchkin.trackShareOpen();
		});
	},
	trackActivity : function(action){
		//set action param to be the string passed to the function
		var qs = "action=" + action;
		//use getCurrentSound callback to get the name of the current track
		soundCloudMunchkin.widget.getCurrentSound(function(currentSound){
			//add it to our querystring
			qs = qs + "&sound=" + currentSound.title;
			//use the getPosition callback to get the position of the track in ms
			soundCloudMunchkin.widget.getPosition(function(position){
				//add it to the querystring
				qs = qs + "&position=" + position;
				//assemble our data object for the munchkin activity
				var dataObject = {
					"url": "soundCloudInteraction",
					"params": qs
				}
				//call the munchkinFunction to submit the activity
				Munchkin.munchkinFunction("visitWebPage", dataObject);
			});
		});
		
	},
	//create individual methods for each event type
	trackPlay : function(){
		soundCloudMunchkin.trackActivity("play");
	},
	
	trackPause : function(){
		soundCloudMunchkin.trackActivity("pause");
	},
	
	trackFinish : function(){
		soundCloudMunchkin.trackActivity("finish");
	},
	
	trackSeek : function(){
		soundCloudMunchkin.trackActivity("seek");
	},
	
	trackDownload : function(){
		soundCloudMunchkin.trackActivity("download");
	},
	
	trackBuy : function(){
		soundCloudMunchkin.trackActivity("buy");
	},
	
	trackShareOpen : function(){
		soundCloudMunchkin.trackActivity("share_open");
	},
}